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Finding the Fourth Proportional to 11,744.70, 17,572.86 and 8,241.54

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Solution

The fourth proportional to 11,744.70, 17,572.86 and 8,241.54 is: 12,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.70 : 17,572.86 = 8,241.54 : x
  2. Step 2: Convert to fraction form
    11,744.70/17,572.86 = 8,241.54/x
  3. Step 3: Cross multiply
    11,744.70x = 17,572.86 × 8,241.54
  4. Step 4: Simplify right side
    11,744.70x = 144,827,428.60
  5. Step 5: Solve for x
    x = 144,827,428.60/11,744.70
  6. Step 6: Final answer
    x = 12,331.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.